Home / 18,521,845.24-27,650,630.23-17,290,975.22

Finding the Fourth Proportional to 18,521,845.24, 27,650,630.23 and 17,290,975.22

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Solution

The fourth proportional to 18,521,845.24, 27,650,630.23 and 17,290,975.22 is: 25,813,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,845.24 : 27,650,630.23 = 17,290,975.22 : x
  2. Step 2: Convert to fraction form
    18,521,845.24/27,650,630.23 = 17,290,975.22/x
  3. Step 3: Cross multiply
    18,521,845.24x = 27,650,630.23 × 17,290,975.22
  4. Step 4: Simplify right side
    18,521,845.24x = 478,106,362,124,312.88
  5. Step 5: Solve for x
    x = 478,106,362,124,312.88/18,521,845.24
  6. Step 6: Final answer
    x = 25,813,106.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.